false ragweed

1. The effect of puddling treatment with water extracts which was from the different parts of False ragweed on the germination and growth of cucumber was different.
   假苍耳不同部位水浸提液拌土处理对黄瓜生长发育的作用不同。
2. The main findings as follows: 1. The effect of the coarse material coverage which was from the different parts of False ragweed on the germination and growth of cucumber was different.
   主要研究结果如下：1.假苍耳不同部位粗粉物覆盖对黄瓜生长发育的作用不同。

noun

1. tall annual marsh elder common in moist rich soil in central North America that can cause contact dermatitis

   Synonym:    burweed marsh elderIva xanthifolia